diff --git a/management/univention-directory-notifier/univention-replicate-many b/management/univention-directory-notifier/univention-replicate-many
index 029663bc41..cf21b0d8b5 100755
--- a/management/univention-directory-notifier/univention-replicate-many
+++ b/management/univention-directory-notifier/univention-replicate-many
@@ -68,7 +68,7 @@ RESTART_NOTIFIER=0
 if pidof univention-directory-notifier >/dev/null ; then
 	echo -n "Stopping notifier: "
 	RESTART_NOTIFIER=1
-	/etc/init.d/univention-directory-notifier stop >/dev/null
+	systemctl stop univention-directory-notifier
 	sleep 1
 	if pidof univention-directory-notifier >/dev/null ; then
 		echo "failed"
@@ -82,7 +82,7 @@ RESTART_SLAPD=0
 if pidof slapd >/dev/null ; then
 	echo -n "Stopping slapd: "
 	RESTART_SLAPD=1
-	/etc/init.d/slapd stop >/dev/null
+	systemctl stop slapd
 	sleep 1
 	if pidof slapd >/dev/null ; then
 		echo "failed"
@@ -97,7 +97,7 @@ id="$(tail -n 1 /var/lib/univention-ldap/notify/transaction | awk '{print $1}')"
 
 last_line="$(tail -n 1 /var/lib/univention-ldap/listener/listener)"
 if [ -n "$last_line" ]; then
-	id_listener="$(tail -n 1 /var/lib/univention-ldap/listener/listener | awk '{print $1}')"
+	id_listener="$(awk '{print $1}' <<<"$last_line")"
 fi
 
 if [ -n "$id_listener" ] && [ "$id_listener" -gt "$id" ]; then
@@ -106,31 +106,39 @@ else
 	nextid=$((id+1))
 fi
 
-skip=
+skip=''
 while read -r dn; do
 	if [ -n "$dn" ] && slapdn "$dn" > /dev/null 2>&1; then
 		echo "$nextid $dn m" >>/var/lib/univention-ldap/listener/listener
 		echo -n "$nextid" >/var/lib/univention-ldap/last_id
 		nextid=$((nextid+1))
 	else
-		# shellcheck disable=SC2206,SC1117
-		test -n "$dn" && skip=($skip"Info: Skipped invalid dn '$dn'\n")
+		# shellcheck disable=SC1117
+		test -n "$dn" && skip="${skip}Info: Skipped invalid dn '$dn'\n"
 	fi
 done < "${dnfile}"
 echo "done"
-echo -ne "${skip[*]}" >&2
+echo -ne "$skip" >&2
+
 rc=0
+if [ "$RESTART_SLAPD" = 1 ]; then
+	echo -n "Starting slapd: "
+	if systemctl start slapd; then
+		echo "done"
+	else
+		echo "failed"
+		rc=1
+	fi
+fi
 
 if [ "$RESTART_NOTIFIER" = 1 ]; then
 	echo -n "Starting notifier: "
-	/etc/init.d/univention-directory-notifier start >/dev/null || rc=1
-	echo "done"
-fi
-
-if [ "$RESTART_SLAPD" = 1 ]; then
-	echo -n "Starting slapd: "
-	/etc/init.d/slapd start >/dev/null || rc=1
-	echo "done"
+	if systemctl start univention-directory-notifier; then
+		echo "done"
+	else
+		echo "failed"
+		rc=1
+	fi
 fi
 
 exit $rc